What started 10 years ago after late Pittsburgh philanthropist Henry L. Hillman saw an article in the Wall Street Journal about reducing traffic congestion has grown into a research institute that regularly produces world-class transportation innovations and has spun off several thriving businesses.

Carnegie Mellon University celebrated the 10-year anniversary Thursday of Traffic21, its transportation research institute that has spearheaded research in self-driving vehicles and smart traffic signals and helped communities and organizations solve traffic problems. The university is the host of a 10-Year Anniversary Symposium on Thursday and Friday to discuss emerging transportation technology and how best to deploy it.
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